QELBY®-Induced Enhancement of Exclusion Zone Buildup and Seed Germination

Figure 10

Representative absorption spectra of the QE-SUP (a) and Si-SUP (b) powder supernatants in DI water. Powder solutions were vortexed (2 h or overnight) and centrifuged at room temperature. Supernatants were scanned for absorbance measurements between 350–200 nm.

(a)

(b)